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- 贪心消着色数与Grundy数Greedy Colouring and Grundy Number
- 关于线性算子的概率范数与算子空间On Probabilistic Norm of a Linear Operators and Space of Operators
- 燃烧汽油的加仑数与行走英里数之比。the ratio of the number of miles traveled to the number of gallons of gasoline burned.
- 码数code number
- 张数folio
- 匝数number of windings
- 他经历数年的辛劳之后成功了。He succeeded after years of toil.
- 其植物种数与鸟类种数的作用影响最大、关系最密切;that the relationship and influence between the numbers of the plant and aves are the most and the closet;
- 马赫数mach number
- 一个熟练的技师需要数年时间才能培训出来。A skilled technician takes years to train.
- 楼层数number of floor levels
- 按规定必须增加数mandatory increase
- 对数6.3214的首数是6。The characteristic of the logarithm 6.3214 is 6.
- 原子数atomicity
- 数年前他就离开了舞台。He quit the boards years ago.
- 关于三角数与多角数On Triangular Numbers and Polygonal Numbers
- 那个条约于数年前被废除。The treaty was annulled several years ago.
- 低佛氏数对冲式消力池紊流水流的数值模拟Numerical simulation of turbulence flow for the still basin with opposed jet flow under low Froude number
- 许多人受惠于他数不清的慷慨行为。Many people benefited from his countless generosities.
- 约翰演奏键盘乐器已有数载。John has played keyboards for years.
